Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6663480 | Polishing pad for semiconductor and optical parts, and method for manufacturing the same | Ho Sik Lee, Ho Youn Kim, Chul Woo Nam, Sang Ick Lee, Jae Hong Kim | 2003-12-16 |